W.W. GRAINGER, INC. — Director's Dealing 2025

May 8, 2025

SEC Form 4/A — Form 4/A

Issuer: W.W. GRAINGER, INC. (GWW)
CIK: 0000277135
Period of Report: 2025-03-10

Reporting Person: Thomson Laurie R (VP, Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-10	Common Stock	G	334	—	Disposed	341	Indirect
2025-03-10	Common Stock	G	334	—	Acquired	1125	Direct
2025-03-10	Common Stock	S	235	$1020.0706	Disposed	890	Direct
2025-03-10	Common Stock	S	99	$1020.7878	Disposed	791	Direct

Footnotes

F1: Shares gifted by Ms. Thomson's Family Trust to the reporting person. The reporting person inadvertently omitted this gift from the original Form 4 and has also updated the number of securities beneficially owned following the reported transaction in Column 5 with respect to the transaction reported on the original Form 4.

F2: Shares held in a trust for which Ms. Thomson is the sole trustee and members of her family are indirect beneficiaries.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,019.62 to $1,020.39, inclusive. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,020.68 to $1,020.79. The reporting person undertakes to provide W. W. Grainger, Inc., any security holder of W. W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.